Utility attachment add-on



FIG. 1 is a top right perspective view of a utility attachment add-on;

FIG. 2 is a bottom left perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a right side elevational view thereof, a left side elevational view being a mirror image thereof;

FIG. 8 is a rear perspective view of a utility attachment add-on wherein an attachment mechanism is open; and,

FIG. 9 is a left side elevational view thereof.

The broken line showing of stitching is included for the purpose of illustrating environmental structure and forms no part of the claimed design. 

CLAIM The ornamental design for a utility attachment add-on, as shown and described. 